BRAIN Biotech AG (HAM:BNN) Tax Rate %: 4.92% (As of Mar. 2026)

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HAM:BNN BRAIN Biotech AG HAM:BNN
63 GF Score
Price €2.79
GF Value €2.42
Valuation Modestly Overvalued
! 2 Warning Signs
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What is BRAIN Biotech AG Tax Rate %?

BRAIN Biotech AG HAM:BNN -1.41% 63 Tax Rate % is 4.92% as of Mar. 2026. GuruFocus rates HAM:BNN with a GF Score™ of 63/100 and a GF Value™ of €2.42 (Modestly Overvalued). The stock has 2 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. BRAIN Biotech AG's Tax Expense for the three months ended in Mar. 2026 was €-0.18 Mil. BRAIN Biotech AG's Pre-Tax Income for the three months ended in Mar. 2026 was €-3.64 Mil. Therefore, BRAIN Biotech AG's Tax Rate % for the quarter that ended in Mar. 2026 was 4.92%.

BRAIN Biotech AG Tax Rate % Related Terms

BRAIN Biotech AG Tax Rate % Historical Data

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The historical data trend for BRAIN Biotech AG's Tax Rate % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

BRAIN Biotech AG Tax Rate % Chart

BRAIN Biotech AG Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -9.42 -2.85 -8.35 -1.01 1.59

BRAIN Biotech AG Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Tax Rate % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 3.55 13.12 -2.05 4.21 4.92
HAM:BNN
63GF Score
BRAIN Biotech AG HAM:BNN
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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BRAIN Biotech AG Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

BRAIN Biotech AG's Tax Rate % for the fiscal year that ended in Sep. 2025 is calculated as

Tax Rate %=Tax Expense (A: Sep. 2025 )/Pre-Tax Income (A: Sep. 2025 )
=-0.191/-12.023
=1.59 %

BRAIN Biotech AG's Tax Rate % for the quarter that ended in Mar. 2026 is calculated as

Tax Rate %=Tax Expense (Q: Mar. 2026 )/Pre-Tax Income (Q: Mar. 2026 )
=-0.179/-3.638
=4.92 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 4.92% mean?
BRAIN Biotech AG (HAM:BNN) has a Tax Rate % of 4.92% as of Mar. 2026.
Is BRAIN Biotech AG's Tax Rate % too high?
BRAIN Biotech AG's current Tax Rate % is 4.92%. Overall, BRAIN Biotech AG has a GF Score™ of 63/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does BRAIN Biotech AG's Tax Rate % compare to LIN and SHW?
BRAIN Biotech AG's Tax Rate % of 4.92% can be compared against companies in the Chemicals industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Chemicals company?
A good Tax Rate % depends on the Chemicals industry context. However, Tax Rate % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. BRAIN Biotech AG's current Tax Rate % is 4.92%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BRAIN Biotech AG stock overvalued right now?
Based on GuruFocus' analysis, BRAIN Biotech AG (HAM:BNN) is currently considered Modestly Overvalued. The stock's GF Value™ is €2.42, compared to a current price of €2.79 — trading 15.3% above its estimated fair value. The current Tax Rate % is 4.92%. BRAIN Biotech AG's overall GF Score™ is 63/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For BRAIN Biotech AG (HAM:BNN), the current Tax Rate % is 4.92% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is BRAIN Biotech AG (HAM:BNN) Overvalued in 2026?

Based on GuruFocus' analysis, BRAIN Biotech AG stock appears to be overvalued. The current stock price of €2.79 is trading 15.3% above its estimated GF Value™ of €2.42. GuruFocus considers BRAIN Biotech AG to be Modestly Overvalued.

Key valuation signals for HAM:BNN:

  • Tax Rate %: 4.92%
  • GF Value™: €2.42 vs. price of €2.79 (15.3% above fair value)
  • GF Score™: 63/100 with 2 warning signs

No single metric tells the full story. See the HAM:BNN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

BRAIN Biotech AG Business Description

Other Exchanges 0RFI:UKBNN:Germany
Address Darmstadter Strasse 34-36, Zwingenberg, BW, DEU, 64673
BRAIN Biotech AG is an industrial biotechnology specialist focused on enzyme technology, microbial production strains, and bioprocess design to enable bio-based innovations. The Group conducts research, development, and production for client specifications and its own product portfolio, supporting customers in the food and beverage, chemical, and life sciences industries with solutions that enhance productivity, efficiency, and sustainability. Its operations are organized into two segments: BRAIN Biocatalysts, which develops, produces, and distributes specialty enzymes, microorganisms, and ingredients and generates the majority of revenue, and BRAIN BioIncubator, which focuses on development projects. The company operates in Germany and other countries.
63GF Score

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Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€2.79
Price
€2.42
GF Value